<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        .box {
            width: 1537px;
            height: 770px;
            background-color: pink;
            margin: auto;
        }
        .left {
            float: left;
            width: 293px;
            height: 770px;
            background-color: purple;
        }
        .right {
            float: right;
            width: 1244px;
            height: 770px;
            background-color: skyblue;
        }
        li { list-style: none; }

        .right li {
            float: left;
            width: 293px;
            height: 377px;
            background-color: pink;
            margin-left: 18px;
            margin-bottom: 18px;
        }
    </style>
</head>
<body>
<div class="box">
    <!-- 左边盒子 -->
    <div class="left">

    </div>

    <!--右边盒子 -->
    <ul class="right">
        <li>1</li>
        <li>2</li>
        <li>3</li>
        <li>4</li>
        <li>5</li>
        <li>6</li>
        <li>7</li>
        <li>8</li>
    </ul>
</div>
</body>
</html>